1 files changed, 34 insertions, 0 deletions
diff --git a/tests/vm/tswap.nim b/tests/vm/tswap.nim
new file mode 100644
index 000000000..bdbe5528c
--- /dev/null
+++ b/tests/vm/tswap.nim
@@ -0,0 +1,34 @@
+discard """
+nimout: '''
+x.data = @[10]
+y = @[11]
+x.data = @[11]
+y = @[10]
+@[3, 2, 1]
+'''
+"""
+
+# bug #2946
+
+proc testSwap(): int {.compiletime.} =
+  type T = object
+    data: seq[int]
+  var x: T
+  x.data = @[10]
+  var y = @[11]
+  echo "x.data = ", x.data
+  echo "y = ", y
+  swap(y, x.data)
+  echo "x.data = ", x.data
+  echo "y = ", y
+  result = 99
+
+const something = testSwap()
+
+# bug #15463
+block:
+  static:
+    var s = @[1, 2, 3]
+    swap(s[0], s[2])
+
+    echo s